Wrute in simplest form Cot(tan^-1(a) + tan^-1(1/a))
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The answer is 0.
as tan^-1 (a) + tan^-1 (1/a) can be written as tan^-1 (a) + cot^-1 (a) which equals to pie/2.. thus cot (pie/2) which equals to 0
as tan^-1 (a) + tan^-1 (1/a) can be written as tan^-1 (a) + cot^-1 (a) which equals to pie/2.. thus cot (pie/2) which equals to 0
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pie / 2 = 0.
Hence The Number = 0.
Hence The Number = 0.
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